Pure Michigan Auto Grow #1

The new set of leaves is still growing and haven't flattened out yet. Nothing to worry about there. Your temp is fine, but humidity is on the high side. You want to be closer to 65% for that temp. VPD is not gospel, but it can definitely help you get the ratios between temp & humidity better. Enter your temp and RH and then look at the bottom figure, the VPD Leaf. For seedlings you want it around 0.8 In veg you can aim around 1 In flower you can aim for 1.2 Like I said, it's not gospel, but definitely helps you get closer to a happy environment. Here is the link to the calculator https://pulsegrow.com/pages/vpd-calculator